package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDemo6 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection();){
            System.out.println("请输入用户名和密码");
            Scanner scan = new Scanner(System.in);
            System.out.println("请输入用户名:");
            String username = scan.nextLine();
            System.out.println("请输入密码:");
            String password = scan.nextLine();
            Statement statement = connection.createStatement();
            String sql = "SELECT username,password " +
                    "FROM user " +
                    "WHERE username = '" + username +"' AND password = '" + password + "'";
            ResultSet resultSet = statement.executeQuery(sql);
            //System.out.println(resultSet.next());
            if(resultSet.next()){
                System.out.println("登录成功");
            } else{
                System.out.println("登录失败");
            }

        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
